Happy 2nd of December!
Throughout the month, to accompany the release of our book on the Mathematics of Christmas, Hannah Fry & I are tweeting out Christmathsy bits and pieces, one a day, advent calendar style. Assuming we don’t run out of ideas, that is…
Today’s advent offering is a quick puzzle. Answers via the comments or on Twitter. All correct answers will be rewarded with deep respect and warm Christmas wishes.
Also, there’s still a couple of days to enter yesterday’s competition.